attacher.py 文件源码

def start_tor(config):
    """
    Launches tor with random TCP ports chosen for SocksPort and ControlPort,
    and other options specified by a txtorcon.torconfig.TorConfig instance.

    Returns a deferred that calls back with a txtorcon.torstate.TorState
    instance.
    """
    def get_random_tor_ports():
        d2 = available_tcp_port(reactor)
        d2.addCallback(lambda port: config.__setattr__('SocksPort', port))
        d2.addCallback(lambda _: available_tcp_port(reactor))
        d2.addCallback(lambda port: config.__setattr__('ControlPort', port))
        return d2

    def launch_and_get_state(ignore):
        d2 = launch_tor(config, reactor, stdout=sys.stdout)
        d2.addCallback(lambda tpp: TorState(tpp.tor_protocol).post_bootstrap)
        return d2
    return get_random_tor_ports().addCallback(launch_and_get_state)